Not quite sure what to make of this one, especially the form factor. morgaine your wish has come true, a standard, reuseable SBC building block at last !
As far as I can tell, it's not actually been released yet, so no idea on prices, but from the specifications you'll quickly guess it's not going to be $35 !
HummingBoard Hardware - CuBox-i Wiki Pages
The SOM in use appears to be what they're using in the CuBox-i too The CuBox i From SolidRun | The Little Computer that can
The support for this has been going into the mainline linux kernel recently, but it took me a while to work out what it was. The unfortunate choice of name doesn't google very well getting lots of results for hummingbird forums and RC cars.


